TOEFL Reading: ETS-TOEFL阅读机经 - DC47843MK3CE8MG7L$

According to paragraph 5, what was one response of the people of Abu Hureyra to the onset of the Younger Dryas? A. They began collecting a wider variety of wild grains. B. They began cultivating crops at sites outside Abu Hureyra. C. They developed special pouches for storing and carrying cereal grain. D. They spent more energy and time cultivating their rye crop.